rap: Rapid Refresh Model Data

Rapid Refresh (RAP) is an operational atmospheric prediction system comprised primarily of a numerical forecast model and an analysis system to initialize that model. This system replaced the Rapid Update Cycle (RUC) model data as the National Oceanic and Atmospheric Administration (NOAA) next-generation hourly-updated assimilation/modeling system operational at National Centers for Environmental Prediction (NCEP) at 12z on May 1, 2012.


  • Fixed
  • AMF1
  • AMF2
  • AMF3